平均数是我们日常生活、学习工作中经常使用的统计指标,相比而言,它要比中位数和众数(中位数、众数概念均到初三年级时学习)常用一些.虽然平均数的计算步骤简单明了,但是,有时我们也会误用平均数.下面试举几例,说明几种误用平均数的情况.一、样本中出现了异常数,使用平均数会使人产生错觉 The average is a statistical indicator that is often used in our daily life and learning work. In contrast, it is more commonly used than the median and the mode (the median and mode concepts are all learned in the third grade). The average number of calculation steps is simple and clear, but sometimes we will misuse the average number. Here are a few examples to illustrate the situation of several misuse of the average. First, the number of abnormalities in the sample, the use of average will make people Illusion